Home / 64,829.34-97,243.98-20,460.54

Finding the Fourth Proportional to 64,829.34, 97,243.98 and 20,460.54

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Solution

The fourth proportional to 64,829.34, 97,243.98 and 20,460.54 is: 30,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,829.34 : 97,243.98 = 20,460.54 : x
  2. Step 2: Convert to fraction form
    64,829.34/97,243.98 = 20,460.54/x
  3. Step 3: Cross multiply
    64,829.34x = 97,243.98 × 20,460.54
  4. Step 4: Simplify right side
    64,829.34x = 1,989,664,342.55
  5. Step 5: Solve for x
    x = 1,989,664,342.55/64,829.34
  6. Step 6: Final answer
    x = 30,690.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.